Finding the Fourth Proportional to 404,108.20, 606,235.20 and 203,924.80
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Solution
The fourth proportional to 404,108.20, 606,235.20 and 203,924.80 is: 305,923.99
Step by Step Solution
- Step 1: Write the proportion equation
404,108.20 : 606,235.20 = 203,924.80 : x - Step 2: Convert to fraction form
404,108.20/606,235.20 = 203,924.80/x - Step 3: Cross multiply
404,108.20x = 606,235.20 × 203,924.80 - Step 4: Simplify right side
404,108.20x = 123,626,391,912.96 - Step 5: Solve for x
x = 123,626,391,912.96/404,108.20 - Step 6: Final answer
x = 305,923.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.